研究结果表明：我国的能源需求是带有结构突变的趋势稳定过程而非结构突变的单位根过程；
The result indicated that the energy demand of our country is the process of trend stability with a structure change rather than the process of unit root with a structure change;
本文首先构造了单位根过程外生性结构突变的检验，排除了数据生成过程的突变对建模的影响。
Firstly, we construct the test of the exogenous structural mutation for a unit root process and this eliminates the influences on the model from the mutation of the data growth process.
介绍了单位根检验以及经济中常用的随机过程。
And introduced the unit root test and the random process that can often be used in economy.
通过单位根检验，确定硬麦期货与现货价格序列具有一阶差分平稳性即i(1)过程。
The article educed that the series of hard wheat futures and spot prices show their first-order difference stationary, I (1) process, by the unit root test.
通过对时间序列建立向量误差修正模型，运用单位根检验、协整检验、格兰杰因果关系检验、脉冲响应函数等方法精确地度量系统中变量之间相互影响的动态过程。
The article USES VECM, ADF Test, Johansen Test, Granger Causal Relation Test, Impulse Response Function to accurately measure the process that the variables influence each other in the system.
单位根检验结果是否可信，直接影响后续的协整建模过程，从而影响变量之间长期的结构均衡关系，以及短期的误差修正机制。
The results of an unit root testing can directly influence the process of modeling, the long-run equilibrium relationship and the short-run error correction mechanism.
通过考虑结构变化的单位根检验发现，1985～2008年的国内旅游年人均出游率是一个带有两个结构突变点的趋势平稳过程。
Based on the unit root test with structural changes, the results show that the Chinese domestic per tourism rate from 1985 ~ 2008, is stationary trend with two structural broken points.
通过考虑结构变化的单位根检验发现，1985～2008年的国内旅游年人均出游率是一个带有两个结构突变点的趋势平稳过程。
Based on the unit root test with structural changes, the results show that the Chinese domestic per tourism rate from 1985 ~ 2008, is stationary trend with two structural broken points.
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